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Timm Bogner 2021-11-21 11:10:40 -06:00 committed by GitHub
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FDRS_Gateway/FDRS_Relay.ino
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// FARM DATA RELAY SYSTEM
//
// RELAY MODULE
//
// Developed by Timm Bogner (bogner1@gmail.com) for Sola Gratia Farm in Urbana, Illinois, USA.
// Setup instructions located in the "fdrs_config.h" file.
#if defined(ESP8266)
#include <ESP8266WiFi.h>
#include <espnow.h>
#elif defined(ESP32)
#include <esp_now.h>
#include <WiFi.h>
#include <esp_wifi.h>
#endif
#include "fdrs_config.h"
uint8_t prevAddress[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, PREV_MAC};
uint8_t selfAddress[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, UNIT_MAC};
uint8_t nextAddress[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, NEXT_MAC};
uint8_t outMAC[] = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, DEFT_MAC};
uint8_t incMAC[6];
uint8_t theData[250];
uint8_t ln;
bool newData = false;
void passOn() {
switch (incMAC[5]) {
case PREV_MAC:
outMAC[5] = NEXT_MAC;
break;
case NEXT_MAC:
outMAC[5] = PREV_MAC;
break;
default:
outMAC[5] = DEFT_MAC;
break;
}
Serial.print("Packet Received from device: ");
Serial.println(incMAC[5]);
Serial.print("and sending to: ");
Serial.println(outMAC[5]);
esp_now_send(outMAC, (uint8_t *) &theData, ln);
}
// Set ESP-NOW send and receive callbacks for either ESP8266 or ESP32
#if defined(ESP8266)
void OnDataSent(uint8_t *mac_addr, uint8_t sendStatus) {
Serial.print("Last Packet Send Status: ");
if (sendStatus == 0) {
Serial.println("Delivery success");
}
else {
Serial.println("Delivery fail");
}
}
void OnDataRecv(uint8_t* mac, uint8_t *incomingData, uint8_t len) {
#elif defined(ESP32)
void OnDataSent(const uint8_t *mac_addr, esp_now_send_status_t status) {
Serial.print("Last Packet Send Status:");
Serial.println(status == ESP_NOW_SEND_SUCCESS ? "Delivery Success" : "Delivery Fail");
}
void OnDataRecv(const uint8_t * mac, const uint8_t *incomingData, int len) {
#endif
memcpy(&theData, incomingData, sizeof(theData));
memcpy(&incMAC, mac, sizeof(incMAC));
// if (memcmp(&incMAC, &selfAddress, 5) != 0){
// Serial.print("not local");
// return;
// }
Serial.print("Data received: ");
Serial.println(len);
ln = len;
newData = true;
}
void setup() {
// Init Serial Monitor
Serial.begin(115200);
// Init WiFi
WiFi.mode(WIFI_STA);
WiFi.disconnect();
// Init ESP-NOW for either ESP8266 or ESP32 and set MAC address
#if defined(ESP8266)
wifi_set_macaddr(STATION_IF, selfAddress);
if (esp_now_init() != 0) {
return;
}
esp_now_set_self_role(ESP_NOW_ROLE_COMBO);
esp_now_register_send_cb(OnDataSent);
esp_now_register_recv_cb(OnDataRecv);
// Register peers
esp_now_add_peer(prevAddress, ESP_NOW_ROLE_COMBO, 0, NULL, 0);
esp_now_add_peer(nextAddress, ESP_NOW_ROLE_COMBO, 0, NULL, 0);
#elif defined(ESP32)
esp_wifi_set_mac(WIFI_IF_STA, &selfAddress[0]);
if (esp_now_init() != ESP_OK) {
Serial.println("Error initializing ESP-NOW");
return;
}
esp_now_register_send_cb(OnDataSent);
esp_now_register_recv_cb(OnDataRecv);
esp_now_peer_info_t peerInfo;
peerInfo.channel = 0;
peerInfo.encrypt = false;
// Register first peer
memcpy(peerInfo.peer_addr, prevAddress, 6);
if (esp_now_add_peer(&peerInfo) != ESP_OK) {
Serial.println("Failed to add peer");
return;
}
// Register second peer
memcpy(peerInfo.peer_addr, nextAddress, 6);
if (esp_now_add_peer(&peerInfo) != ESP_OK) {
Serial.println("Failed to add peer");
return;
}
#endif
Serial.println();
Serial.println("FARM DATA RELAY SYSTEM :: Relay Module");
Serial.println("MAC:" + WiFi.macAddress());
Serial.print("Previous device: ");
Serial.println(PREV_MAC);
Serial.print("Next device: ");
Serial.println(NEXT_MAC);
Serial.print("Default device: ");
Serial.println(DEFT_MAC);
Serial.println(" ");
}
void loop() {
if (newData) {
newData = false;
passOn();
}
}